I'm using a SM-7 tip. I find it to be a bit wider than a Minor tip. I have two 5 lpm concentrators, and with that I can do large soft glass marbles or boro pendants or small sculptures. I'm really happy with it. If I had tanked oxy, I'd be doing a lot more boro tubing work with it.
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Jo
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Satake glass in stock and ready for you!
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